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DS18B20Z
+物料清單SENSOR DIGITAL -55C-125C 8SOIC
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製造商類比設備股份有限公司/Maxim集成
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製造商部分 #DS18B20Z
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有存貨4544
365 天品質保證
7*24 小時服務保證
90-日售後保障
正品保證
規格
| 屬性 | 價值 |
| Part Status | Obsolete |
| Sensor Type | Digital, Local |
| Sensing Temperature - Local | -55°C ~ 125°C |
| Output Type | 1-Wire® |
| Voltage - Supply | 3V ~ 5.5V |
| Resolution | 12 b |
| Features | Output Switch, Programmable Limit, Programmable Resolution |
| Accuracy - Highest (Lowest) | ±0.5°C (±2°C) |
| Test Condition | -10°C ~ 85°C (-55°C ~ 125°C) |
| Operating Temperature | -55°C ~ 125°C |
| Mounting Type | Surface Mount |
| Package / Case | 8-SOIC (0.154", 3.90mm Width) |
| Supplier Device Package | 8-SOIC |
| Base Product Number | DS18B20 |
概述
Description
The DS18B20Z operates on a supply voltage of 3.0V to 5.5V and includes an onboard digital-to-analog converter (DAC) that outputs temperature readings in Celsius. Its digital output eliminates the need for analog signal conditioning, making it easy to interface with microcontrollers and other digital devices.
Key features include programmable resolution (9 to 12 bits), unique 64-bit serial number for device identification, and the ability to operate in parasitic power mode, which allows it to be powered through the data line. Applications include HVAC systems, weather stations, and industrial temperature monitoring. Overall, the DS18B20Z is valued for its accuracy, ease of use, and versatility in various temperature measurement applications.
Equivalent
Features
1. Temperature Range: -55°C to +125°C (-67°F to +257°F) with ±0.5°C accuracy from -10°C to +85°C.
2. Digital Output: Communicates via a 1-Wire interface, allowing multiple sensors to be connected in parallel on a single data line.
3. Resolution: Programmable resolution from 9 to 12 bits, enabling flexibility in precision.
4. Power Supply: Operates on a wide voltage range of 3.0V to 5.5V, with options for parasitic power mode.
5. Non-volatile Memory: Stores user-defined configuration settings.
6. Alarm Functionality: Features programmable over-temperature and under-temperature alarms.
7. Compact Package: Available in a TO-92 or SOIC package for easy integration into various applications.
8. Applications: Ideal for HVAC systems, industrial equipment, and consumer electronics.
These features make the DS18B20Z suitable for a variety of temperature sensing applications.
Pinout
1. GND (Ground): This pin is connected to the ground of the system.
2. DQ (Data): This is the data pin used for communication. It requires a 1-Wire interface for sending and receiving data between the DS18B20 and a microcontroller or other devices.
3. VDD (Power Supply): This pin is used to supply power to the sensor. It can operate in two modes: powered with an external supply (3.0V to 5.5V) or in parasitic mode where it derives power from the data line.
The DS18B20Z is commonly used in various applications for precise temperature measurement, offering a range of -55°C to +125°C with a resolution of up to 12 bits.
Manufacturer
Founded in 1983, the company focuses on developing innovative technologies that enhance performance and efficiency in electronic designs. Maxim Integrated is recognized for its expertise in sensor technology, power management, and signal processing solutions.
In 2021, Maxim Integrated was acquired by Analog Devices, Inc. (ADI), a leading global producer of high-performance analog, mixed-signal, and digital signal processing (DSP) integrated circuits. This acquisition further expanded ADI's portfolio and capabilities in the semiconductor industry, allowing for a more extensive range of solutions for various applications.
The DS18B20Z is a digital temperature sensor known for its precision and ease of use in various electronic and embedded systems.
Application
1. Home Automation: For smart thermostats and climate control systems.
2. Industrial Monitoring: Temperature monitoring in manufacturing processes.
3. HVAC Systems: For efficient heating, ventilation, and air conditioning.
4. Medical Devices: Monitoring body temperature in healthcare settings.
5. Environmental Monitoring: Tracking temperature in weather stations and ecological research.
6. Food Safety: Ensuring proper storage temperatures in refrigeration.
7. Aquarium Temperature Control: Maintaining optimal conditions for aquatic life.
Its digital output and ease of integration make it suitable for both hobbyist and professional applications.
Package
Frequently Asked Questions
Q: What is the operating temperature range of the DS18B20Z?
A: The DS18B20Z operates over a local sensing temperature range of -55°C to 125°C, suitable for extreme environments.
Q: What output interface does this sensor use?
A: It uses a 1-Wire® digital output interface, allowing communication with a microcontroller over a single data line.
Q: What is the resolution of the DS18B20Z temperature sensor?
A: It offers programmable resolution up to 12 bits, providing high-accuracy temperature readings.
Q: What is the supply voltage requirement for the DS18B20Z?
A: The sensor operates with a supply voltage ranging from 3V to 5.5V, making it compatible with common logic levels.
Q: What is the highest accuracy of this temperature sensor?
A: The maximum accuracy is ±0.5°C over a -10°C to 85°C range, with ±2°C across the full -55°C to 125°C range.
Q: Does the DS18B20Z support programmable features?
A: Yes, it includes programmable temperature limit alarms and programmable resolution settings for flexible system design.